Knee pad



FIG. 1 is a rear view of my design for a knee pad:

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is front view thereof showing my design in an alternate or open view; and,

FIG. 8 is a rear alternate or open view thereof.

The embodiment of FIG. 7 is substantially planar. 

CLAIM The ornamental design for a knee pad, as shown and described. 